Paul Gofman : ntdll: Zero init reg_tzi in find_reg_tz_info().

[Alexandre Julliard]

Module: wine
Branch: stable
Commit: ff4fc1c862b0a743e54bca6df856db0dca16e851
URL:    https://source.winehq.org/git/wine.git/?a=commit;h=ff4fc1c862b0a743e54bca6df...

Author: Paul Gofman 
Date:   Mon Mar  9 21:54:23 2020 +0300

ntdll: Zero init reg_tzi in find_reg_tz_info().

Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=48694
Signed-off-by: Paul Gofman 
Signed-off-by: Alexandre Julliard 
(cherry picked from commit 3f0cbf4691450a3acfbec1aa48e08475cb9d7196)
Signed-off-by: Michael Stefaniuc

---

dlls/ntdll/time.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/dlls/ntdll/time.c b/dlls/ntdll/time.c
index 1d5c4f2b31..2b6b9c061c 100644
--- a/dlls/ntdll/time.c
+++ b/dlls/ntdll/time.c
@@ -797,6 +797,8 @@ static void find_reg_tz_info(RTL_DYNAMIC_TIME_ZONE_INFORMATION *tzi, const char*
         continue; \
     }

+        memset(&reg_tzi, 0, sizeof(reg_tzi));
+
         if (!reg_query_value(hSubkey, mui_stdW, REG_SZ, reg_tzi.StandardName, sizeof(reg_tzi.StandardName)))
             get_value(hSubkey, stdW, REG_SZ, reg_tzi.StandardName, sizeof(reg_tzi.StandardName));
         if (!reg_query_value(hSubkey, mui_dltW, REG_SZ, reg_tzi.DaylightName, sizeof(reg_tzi.DaylightName)))